// yuki 935 うしたぷにきあくん笑ビ－ム
// 2019.11.30 bal4u

#include <stdio.h>
#include <ctype.h>

typedef long long ll;

int getchar_unlocked(void);
int putchar_unlocked(int c);
#define gc() getchar_unlocked()
#define pc(c) putchar_unlocked(c)

int in() {   // 非負整数の入力
	int n = 0; int c;
	do c = gc();
	while (isspace(c));
	do n = 10 * n + (c & 0xf); while ((c = gc()) >= '0');
	return n;
}

void ins(char *s) { // 文字列の入力　スペース以下の文字で入力終了
	do *s = gc();
	while (*s++ > ' ');
	*(s-1) = 0;
}

void out(int n) { // 非負整数の表示（出力）
	int i; char b[30];

	if (!n) pc('0');
	else {
		i = 0; while (n) b[i++] = n % 10 + '0', n /= 10;
		while (i--) pc(b[i]);
	}
	pc('\n');
}

int N;
char S[2005];
ll s[2005];
int x[2005];
ll k[2005];
int ma;

int bs(ll x)
{
	int m, l = 0, r = ma+1;

    while (l < r) {
        m = (l+r) >> 1;
        if (k[m] <= x) l = m + 1; else r = m;
    }
	return l-1;
}

int main()
{
	int i, j, t, Q; ll tt;
	
	N = in();
	ins(S+1);
	for (i = 1; i <= N; ++i) {
		if (S[i] == 'E') x[i] = x[i-1] + 1;
		else             x[i] = x[i-1];
		s[i] = s[i-1] + in();
	}
	
	ma = 0;
	for (i = 0; i < N; ++i) for (j = i+1; j <= N; ++j) {
		t = x[j]-x[i];
		if (t == 0) continue;
		tt = s[j]-s[i];
		if (k[t] == 0 || k[t] > tt) {
			k[t] = tt;
			if (t > ma) ma = t;
		}
	}
		
	Q = in();
	while (Q--) 	out(bs((ll)in()));
	return 0;
}